1. This character set corresponds to the repertoire of the Supplementary Multilingual Plane (SMP - Plane 01 of Group 00) in Unicode V4.0.

2. This character set is identical to the subset for Plane 01 of the fixed collection "340 COMBINED FIRST EDITION" in the First Edition of ISO/IEC 10646:2003. It comprises only the subset of coded characters in Plane 01 of Group 00 that were in the First Edition of 10646:2003 that consists of collections from clause A.1 and A.3 and several ranges of code positions as noted below: